1989 Buick Century Shows code 42

1989 BUICK CENTURY
148,000 MILES • 6 CYL • FWD • AUTOMATIC
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LCARTE4
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  • 3 POSTS
Car shows code 42 starts then dies
Mar 10, 2010 at 9:44 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Code 42 : EST Ignition Circuit

Check for poor connections on the ECM wire harness. If connections are not damaged and connected properly then suspect a faulty ignition module.
Mar 10, 2010 at 11:19 AM
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